Improvement in cultivators



E. W. FULLER.

Rotary Harrow.

Nag r me medmn 22. 1861.

N. PETERS. PHOTO-UTMQGRAPHER. WASHINGTON, D. 0.

UNITED STATES PATENT OFFICE.

E. W. FULLER, OF MARTINSVILLE, LOUISIANA.

IMPROVEMENT IN CULTIVATORS.

Specification forming part of Letters Patent No. 31,163, dated January22, 1861.

I a plan or top view of the same.

Similar letters of reference indicate corresponding parts in the twofigures.

To enable those skilled in the art to fully understand and construct myinvention, I will proceed to describe it.

A represents a rectangular frame, which is shown mounted on a rotaryharrow, B, and a roller, 0, these parts being used when aseeddistributing device is employed. When, however, these parts are notrequired ordinary wheels may be used instead.

The frame A is provided with traversebars a, which are perforated withholes I), and on which two parallel and longitudinal bars D D are fittedand allowed to slide laterally. These bars may be secured in any desiredposition by pins 0.

Through each bar D there passes two vertical,0r nearly vertical,bars EE. These bars E are allowed to slide freely in the bars D,

and the former may be secured at any desired point by pins d. To thelower ends of the bars E E there are attached plows G, which may be ofthe usual turning mold-board form and provided with landsides c.

From the above description it will be seen that the plows may be adjustcd nearer togethr or farther apart as desired, and it will also beseen that the plows may be adjusted vertically by raising or loweringthe bars E E, the latter being secured at the desired point by the pinsd.

The plows G may be made toturn the earth toward or from the plants byreversing themthat is to say, changing them from one barD to the other.

The frame A will admit of the application of any of theseed-distributing devices, and the

